<?php  if (!defined('BASEPATH')) exit('No direct script access allowed');
/**
 * CodeIgniter
 *
 * An open source application development framework for PHP 4.3.2 or newer
 *
 * @package		CodeIgniter
 * @author		Rick Ellis
 * @copyright	Copyright (c) 2006, EllisLab, Inc.
 * @license		http://www.codeignitor.com/user_guide/license.html
 * @link		http://www.codeigniter.com
 * @since		Version 1.0
 * @filesource
 */

// ------------------------------------------------------------------------

/**
 * CodeIgniter Profiler Class
 *
 * This class enables you to display benchmark, query, and other data
 * in order to help with debugging and optimization.
 *
 * Note: At some point it would be good to move all the HTML in this class
 * into a set of template files in order to allow customization.
 *
 * @package		CodeIgniter
 * @subpackage	Libraries
 * @category	Libraries
 * @author		Rick Ellis
 * @link		http://www.codeigniter.com/user_guide/general/profiling.html
 */
// ------------------------------------------------------------------------
// Modified by Nillian, 03 September 2007.
// ------------------------------------------------------------------------
class CI_Profiler {

	var $CI;

 	function CI_Profiler()
 	{
 		$this->CI =& get_instance();
 		$this->CI->load->language('profiler');
 	}

	// --------------------------------------------------------------------

	/**
	 * Auto Profiler
	 *
	 * This function cycles through the entire array of mark points and
	 * matches any two points that are named identically (ending in "_start"
	 * and "_end" respectively).  It then compiles the execution times for
	 * all points and returns it as an array
	 *
	 * @access	private
	 * @return	array
	 */
 	function _compile_benchmarks()
 	{
  		$profile = array();
 		foreach ($this->CI->benchmark->marker as $key => $val)
 		{
 			// We match the "end" marker so that the list ends
 			// up in the order that it was defined
 			if (preg_match("/(.+?)_end/i", $key, $match))
 			{
 				if (isset($this->CI->benchmark->marker[$match[1].'_end']) AND isset($this->CI->benchmark->marker[$match[1].'_start']))
 				{
 					$profile[$match[1]] = $this->CI->benchmark->elapsed_time($match[1].'_start', $key);
 				}
 			}
 		}

		// Build a table containing the profile data.
		// Note: At some point we should turn this into a template that can
		// be modified.  We also might want to make this data available to be logged

		$output  = "\n\n";
		$output .= '<fieldset style="border:1px solid #990000;padding:6px 10px 10px 10px;margin:0 0 20px 0;background-color:#eee">';
		$output .= "\n";
		$output .= '<legend style="color:#990000;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_benchmarks').'&nbsp;&nbsp;</legend>';
		$output .= "\n";
		$output .= "\n\n<table cellpadding='4' cellspacing='1' border='0' width='100%'>\n";

		foreach ($profile as $key => $val)
		{
			$key = ucwords(str_replace(array('_', '-'), ' ', $key));
			$output .= "<tr><td width='50%' style='color:#000;font-weight:bold;background-color:#ddd;'>".$key."&nbsp;&nbsp;</td><td width='50%' style='color:#990000;font-weight:normal;background-color:#ddd;'>".$val."</td></tr>\n";
		}

		$output .= "</table>\n";
		$output .= "</fieldset>";

 		return $output;
 	}

	// --------------------------------------------------------------------

	/**
	 * Compile Queries
	 *
	 * @access	private
	 * @return	string
	 */
	function _compile_queries()
	{
		$output  = "\n\n";
		$output .= '<fieldset style="border:1px solid #0000FF;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
		$output .= "\n";
		$output .= '<legend style="color:#0000FF;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_queries').'&nbsp;&nbsp;</legend>';
		$output .= "\n";

		if ( ! class_exists('CI_DB_driver'))
		{
			$output .= "<div style='color:#0000FF;font-weight:normal;padding:4px 0 0 0;'>".$this->CI->lang->line('profiler_no_db')."</div>";
		}
		else
		{
			if (count($this->CI->db->queries) == 0)
			{
				$output .= "<div style='color:#0000FF;font-weight:normal;padding:4px 0 4px 0;'>".$this->CI->lang->line('profiler_no_queries')."</div>";
			}
			else
			{
				foreach ($this->CI->db->queries as $val)
				{
					$output .= '<div style="padding:3px;margin:12px 0 12px 0;background-color:#ddd;color:#000">';
					$output .= htmlspecialchars($val, ENT_QUOTES);
					$output .= "</div>\n";
				}
			}
		}

		$output .= "</fieldset>";

		return $output;
	}

	// --------------------------------------------------------------------

	/**
	 * Compile $_POST Data
	 *
	 * @access	private
	 * @return	string
	 */
	function _compile_post()
	{
		$output  = "\n\n";
		$output .= '<fieldset style="border:1px solid #009900;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
		$output .= "\n";
		$output .= '<legend style="color:#009900;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_post_data').'&nbsp;&nbsp;</legend>';
		$output .= "\n";

		if (count($_POST) == 0)
		{
			$output .= "<div style='color:#009900;font-weight:normal;padding:4px 0 4px 0'>".$this->CI->lang->line('profiler_no_post')."</div>";
		}
		else
		{
			$output .= "\n\n<table cellpadding='4' cellspacing='1' border='0' width='100%'>\n";

			foreach ($_POST as $key => $val)
			{
				if ( ! is_numeric($key))
				{
					$key = "'".$key."'";
				}

//				$output .= "<tr><td width='50%' style='color:#000;background-color:#ddd;'>&#36;_POST[".$key."]&nbsp;&nbsp;</td><td width='50%' style='color:#009900;font-weight:normal;background-color:#ddd;'>".htmlspecialchars(stripslashes($val))."</td></tr>\n";
				$output .= "<tr><td width='50%' style='color:#000;background-color:#ddd;'>&#36;_POST[".$key."]&nbsp;&nbsp; </td><td width='50%' style='color:#009900;font-weight:normal;background-color:#ddd;'>";
				if (is_array($val))
				{
					$output .= "<pre>" . htmlspecialchars(stripslashes(print_r($val, true))) . "</pre>";
				}
				else
				{
					$output .= htmlspecialchars(stripslashes($val));
				}
				$output .= "</td></tr>\n";
			}

			$output .= "</table>\n";
		}
		$output .= "</fieldset>";

		return $output;
	}

	// --------------------------------------------------------------------


	/**
	 * Compile session UserData
	 *
	 * @access	private
	 * @return	string
	 */
	function _compile_userdata()
	{
		$output  = "\n\n";
		$output .= '<fieldset style="border:1px solid #F37012;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
		$output .= "\n";
		$output .= '<legend style="color:#F37012;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_session_data').'&nbsp;&nbsp;</legend>';
		$output .= "\n";

        $_SESS_USER = $this->CI->session->userdata;

        $is_custom = method_exists($this->CI->session, 'ro_userdata');
        if ($is_custom === TRUE)
        {
            $_SESS_DATA = $this->CI->session->session_data;
        }

         // Display the 'userdata' if there is any
            if (count($_SESS_USER) == 0)
            {
                $output .= "<div style='color:#F37012;font-weight:normal;padding:4px 0 4px 0;background-color:#d8d8d8;'>".$this->CI->lang->line('profiler_no_user_data')."</div>";
            }
            else
            {
                $output .= "<div style='color:#F37012;font-weight:normal;padding:4px 0 4px 0;background-color:#d8d8d8;'>".$this->CI->lang->line('profiler_user_data')."</div>";
                $output .= "\n\n<table cellpadding='4' cellspacing='1' border='0' width='100%'>\n";

                foreach ($_SESS_USER as $key => $val)
                {
                    if ( ! is_numeric($key))
                    {
                        $pre_string = '&#36;userdata';
                        $post_string = '';

                        if ($is_custom === TRUE)
                            {
                            $is_old_flash = strstr($key, $this->CI->session->flash_key . ':old:');
                            $is_new_flash = strstr($key, $this->CI->session->flash_key . ':new:');

                            if ($is_old_flash !== FALSE)
                            {
                                $pre_string = '&#36;flashdata<span style="color: #990000">';
                                $post_string = '</span>';
                            }
                            elseif ($is_new_flash !== FALSE)
                            {
                                $pre_string = '&#36;flashdata<span style="color: #009900">';
                                $post_string = '</span>';
                            }
                        }

                        $key = "'".$key."'";
                    }

    //				$output .= "<tr><td width='50%' style='color:#000;background-color:#ddd;'>&#36;_POST[".$key."]&nbsp;&nbsp;</td><td width='50%' style='color:#009900;font-weight:normal;background-color:#ddd;'>".htmlspecialchars(stripslashes($val))."</td></tr>\n";
                    $output .= "<tr><td width='50%' style='color:#000;background-color:#ddd;'>" . $pre_string . "[".$key."]" . $post_string . "&nbsp;&nbsp; </td><td width='50%' style='color:#F37012;font-weight:normal;background-color:#ddd;'>";
                    if (is_array($val))
                    {
                        $output .= "<pre>" . htmlspecialchars(stripslashes(print_r($val, true))) . "</pre>";
                    }
                    else
                    {
                        if(!is_object($val)){ $output .= htmlspecialchars(stripslashes($val)); }
                    }
                    $output .= "</td></tr>\n";
                }

                $output .= "</table>\n";
            }

         // Display the session data if there is any
            if ( ! isset($_SESS_DATA))
            {
                $output .= "<div style='color:#F37012;font-weight:normal;padding:4px 0 4px 0;background-color:#d8d8d8;'>".$this->CI->lang->line('profiler_no_sess_data')."</div>";
            }
            else
            {
                $output .= "<div style='color:#F37012;font-weight:normal;padding:4px 0 4px 0;background-color:#d8d8d8;'>".$this->CI->lang->line('profiler_session_data')."</div>";
                $output .= "\n\n<table cellpadding='4' cellspacing='1' border='0' width='100%'>\n";

                foreach ($_SESS_DATA as $key => $val)
                {
                    if ( ! is_numeric($key))
                    {
                        $key = "'".$key."'";
                    }

    //				$output .= "<tr><td width='50%' style='color:#000;background-color:#ddd;'>&#36;_POST[".$key."]&nbsp;&nbsp;</td><td width='50%' style='color:#009900;font-weight:normal;background-color:#ddd;'>".htmlspecialchars(stripslashes($val))."</td></tr>\n";
                    $output .= "<tr><td width='50%' style='color:#000;background-color:#ddd;'>&#36;userdata[".$key."]&nbsp;&nbsp; </td><td width='50%' style='color:#F37012;font-weight:normal;background-color:#ddd;'>";
                    if (is_array($val))
                    {
                        $output .= "<pre>" . htmlspecialchars(stripslashes(print_r($val, true))) . "</pre>";
                    }
                    else
                    {
                        $output .= htmlspecialchars(stripslashes($val));
                    }
                    $output .= "</td></tr>\n";
                }

                $output .= "</table>\n";
            }

		$output .= "</fieldset>";

		return $output;
	}

	// --------------------------------------------------------------------


	/**
	 * Run the Profiler
	 *
	 * @access	private
	 * @return	string
	 */
	function run($output = '')
	{
		$output = '<br clear="all" />';
		$output .= "<div style='background-color:#fff;padding:10px;'>";

		$output .= $this->_compile_benchmarks();
		$output .= $this->_compile_post();
        $output .= $this->_compile_userdata();
		$output .= $this->_compile_queries();

		$output .= '</div>';

		return $output;
	}

}

// END CI_Profiler class
?>
